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Juli2301 [7.4K]
3 years ago
9

Andrew was working on a project for Science class. He began working on the project at 10:32 a.m. When he finally

Mathematics
2 answers:
azamat3 years ago
5 0

Answer:

3 hours and 43 minutes = 223 minutes

Step-by-step explanation:

Amanda [17]3 years ago
3 0

Answer:

3 hours 43 minutes

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If 0° ≤ θ ≤ 90° and cosθ = 11/15 , what is the value of sin (90° - θ)?
igor_vitrenko [27]
11/15=0.7333
cos^{-1}(0.7333) =42.83342
sin(90-47.166572) = 0.7333

first, find the numeric value for 11/15
second to find theta, simply do the <em>inverse</em> cos (which is cos^-1) of the first answer.
now you know theta, just do the sin of 90 - theta and that's it!

since you know whatr cos(theta) is, you just take the inverse cos of that number to get theta and 'reverse' cos, essentially. you are just solving for theta, by reversing the cos function with cos^-1
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7 0
3 years ago
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Make sure your answer is in simplest form and improper fractions are expressed as mixed numbers.
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The answer is:
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3 years ago
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Dice A has the sides 2, 2, 4, 4, 6, 6 and Dice B has 1, 3, 1, 3, 1, 3. What is the probability that when you roll the dice Dice
aleksandr82 [10.1K]

Answer:

i remember doing a question just like this. Im pretty sure the answer is 1/4

Step-by-step explanation:

6 0
2 years ago
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Evaluate the numerical expression 2+65 + 7*3=
riadik2000 [5.3K]
2 + 65 + 7 × 3
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7 0
2 years ago
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Three times the square of a non-zero number is equal to fifteen times the number.what is the number?
Alona [7]
5 because you subtract 15x and bring it to 3x^2 and get 3x^2-15x=0. Then take out the gcf and you get 3x(x-5)=0. Since it can't be 0, x-5=0 , the answer is 5.
8 0
3 years ago
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